Roi

• Roi, a 1993 song by The Breeders in their album Last Splash
  Last Splash
  Last Splash is the second album by indie rock band The Breeders, released August 1993. Originally formed as a side project for Pixies bassist Kim Deal, The Breeders quickly became her primary recording outlet....
  
  
• Roi Et
  Roi Et
  Roi Et is a town in Northeastern Thailand, capital of the Roi Et Province. It covers the whole tambon Nai Mueang of Mueang Roi Et district. As of 2006 it has a population of 34,229....
  
   and Roi Et province
  Roi Et Province
  Roi Et is one of the provinces of Thailand, located in the North-East of Thailand. Neighboring Provinces are Kalasin, Mukdahan, Yasothon, Sisaket, Surin and Maha Sarakham....
  
   in Thailand
• Roi Klein
  Roi Klein
  Roi Klein was a Major in the Golani Brigade of the Israeli Defense Forces. Klein was killed in the Battle of Bint Jbeil during the 2006 Lebanon War after jumping on a grenade to save his fellow soldiers .Klein was born in Raanana, Israel...
  
  , an Israeli Defense major
• Roi-Namur
  Roi-Namur
  Roi-Namur is an island in the northern part of the Kwajalein atoll in the Marshall Islands.Occupied by Japanese forces prior to World War II, it was the target of the U.S. 4th Marine Division in the Battle of Kwajalein, in February 1944....
  
  , an island in the Marshall Islands
• "Le Roi" (French for "the King"), a nickname for French basketball player Antoine Rigaudeau
  Antoine Rigaudeau
  Antoine Roger Rigaudeau nicknamed Le Roi , is a retired French professional basketball player....
  
  
• USS Roi (CVE-103)
  USS Roi (CVE-103)
  USS Roi , originally MC hull 1140 and later projected as an AVG and an ACV, was laid down as Alava Bay on 22 March 1944 by Kaiser Shipbuilding Co., Vancouver, Washington; renamed Roi on 26 April 1944; launched on 2 June 1944; sponsored by Mrs. William Sinton; acquired from the Maritime Commission...
  
  , a US war ship

ROI

• Return on Investment
  Return on investment
  Return on investment is one way of considering profits in relation to capital invested. Return on assets , return on net assets , return on capital and return on invested capital are similar measures with variations on how “investment” is defined.Marketing not only influences net profits but also...
  
   or Rate of return
  Rate of return
  In finance, rate of return , also known as return on investment , rate of profit or sometimes just return, is the ratio of money gained or lost on an investment relative to the amount of money invested. The amount of money gained or lost may be referred to as interest, profit/loss, gain/loss, or...
  
  , used to evaluate the efficiency of an investment in finance and economics
• Receipt of invoice
• Risk of infection
• Region of interest
  Region of interest
  A Region of Interest, often abbreviated ROI, is a selected subset of samples within a dataset identified for a particular purpose.For example:* on a waveform , a time or frequency interval...
  
  , for example in image analysis or image processing
• Release of Information, in Health Information Management
• Republic of Ireland
  Republic of Ireland
  Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...
  
  
• Republic of India
• Republic of Indonesia
• Royal Institute of Oil Painters
  Royal Institute of Oil Painters
  The Royal Institute of Oil Painters, also known as ROI, is an association of painters in London and is the only major art society which features work done only in oil. It is a member society of the Federation of British Artists.-History:...